<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="app"></div>
  <script src="./renderer.js"></script>
  <script>
    // 1.通过h函数来创建一个vnode
    const vnode = h('div', { class: "why", id: "aaa" }, [
      h("h2", null, "当前计数: 100"),
      h("button", { onClick: function () { console.log('+1'); } }, "+1")
    ]); // vdom

    // 2.通过mount函数, 将vnode挂载到div#app上
    mount(vnode, document.querySelector("#app"))
    // 3.创建新的vnode
    setTimeout(() => {
      const vnode1 = h('div', { class: "coderwhy", id: "aaa" }, [
        h("h2", null, "呵呵呵"),
        h("button", { onClick: function () { console.log('-1'); } }, "-1")
      ]);
      patch(vnode, vnode1);
    }, 2000)
  </script>
</body>

</html>